Skip to main content
Thermaltake Toughpower Gt Power Supply Unit 850 W 24-Pin ATX ATX, W129022374 (Unit 850 W 24-Pin ATX ATX Black)
Thermaltake

Thermaltake Toughpower Gt Power Supply Unit 850 W 24-Pin ATX ATX, W129022374 (Unit 850 W 24-Pin ATX ATX Black)

Bottom line: The Thermaltake Toughpower Gt Power Supply Unit 850 W 24-Pin ATX ATX: ATX 3.1 compliant with a PCIe Gen 5.1 12+4pin connector for current GPUs; main trade-off: gold rating, not Platinum or Titanium efficiency.

Check price on Amazon

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

Check price on Amazon → Compare to similar power supplies

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ ATX 3.1 compliant with a PCIe Gen 5.1 12+4pin connector for current GPUs
  • ✓ 80 Plus Gold certified efficiency, so less power is wasted as heat
  • ✓ Fully modular cabling: install only the cables your build needs
  • ✓ Smart Zero Fan adapts cooling to load for quieter light-load operation
  • ✓ 850 W capacity suits mid-to-high-end single-GPU gaming builds

Cons

  • ✗ Gold rating, not Platinum or Titanium efficiency
  • ✗ Warranty length not stated in the listing; confirm before buying
  • ✗ Physical dimensions not listed; verify fit in compact or SFF cases
  • ✗ 850 W may be tight for top-tier GPUs paired with high-draw CPUs

Manufacturer description

The Thermaltake Toughpower GT 850W power supply is built for modern PC builds that need clean, efficient power for a current-generation graphics card. It complies with the ATX 3.1 standard and includes a PCIe Gen 5.1 12+4pin connector, so you can power a compatible GPU with a single 12+4pin cable instead of a bundle of adapters. Efficiency is certified 80 Plus Gold, which means less energy is lost as heat at typical loads. The fully modular design lets you connect only the cables your build actually uses. That keeps airflow paths open and makes a tidy interior far simpler to achieve…

Related Products

Other products in this category you may like:

SpecPicks Verdict

SpecPicks scored Thermaltake Toughpower Gt Power Supply Unit 850 W 24-Pin ATX ATX using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. Thermaltake's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

Does the Thermaltake Toughpower GT 850W support ATX 3.1?

Yes. Thermaltake states the Toughpower GT complies with the current ATX 3.1 standard and includes a PCIe Gen 5.1 12+4pin connector for compatible graphics cards.

Is the Toughpower GT 850W fully modular?

Yes. It uses a fully modular design, so every cable can be detached and you only install the ones your build needs. This helps with cable management and airflow.

What efficiency rating does this power supply have?

The Toughpower GT 850W is 80 Plus Gold certified. Thermaltake highlights its high efficiency, which means less wasted energy and less heat at typical loads.

Is the Toughpower GT quiet at low load?

It uses Thermaltake's Smart Zero Fan, which automatically adapts to the power supply's load and actual cooling need. The listing does not publish decibel figures, so check the manufacturer's spec sheet for noise data.

What warranty comes with the Thermaltake Toughpower GT 850W?

Warranty terms are not included in this product context. Check the product listing or Thermaltake's support site for model W129022374 to see the current warranty coverage.

Key Features

  • W129022374

Full Specifications

BrandThermaltake
Wattage850 watts
Model NamePS-TPT-0850FNFAGE-3
Unit Count1.0 Count
Form FactorATX
Item Length50 Centimeters
Model NumberPS-TPT-0850FNFAGE-3
Built-In MediaUser manual
Connector TypeATX, PCI Express, SATA
Cooling MethodAir
Number of Fans1
Output Wattage850 Watts
Item Dimensions5.91 x 5.51 x 3.39 inches
Mfr Part NumberPS-TPT-0850FNFAGE-3
Compatible DevicesOffice Computer Systems
Power Supply DesignFull Modular
Maximum Input Voltage230 Volts (AC)
Minimum Input Voltage230 Volts (AC)
Item dimensions L x W x H5.91 x 5.51 x 3.39 inches
System Bus Connector TypeATX

Ready to buy?

Thermaltake Toughpower Gt Power Supply Unit 850 W 24-Pin ATX ATX, W129022374 (Unit 850 W 24-Pin ATX ATX Black) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Check price on Amazon →

Related Power Supplies

Keep exploring SpecPicks

Other buying guides

Browse the catalog

Editorial

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →
Thermaltake Toughpower Gt Power Supply Unit 850 W 24-Pin ATX ATX, W129022374 (Unit 850 W 24-Pin ATX ATX Black)
View on Amazon →